Reading some old posts: SanDisk Extreme 30 MB/s SD Card SanDisk SDDR-199 SD Cards test with SDDR-1999 Now I know what was wrong with 30MB/s SanDisk Extreme SD cards. 30 MB/s was not standard bus speed for SD. So it is seems like only (one?) card reader from SanDisk was supporting that speed. And it […]